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78781 (2002 VD71)
Classification: Main-belt Asteroid          SPK-ID: 2078781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02212013264699717 6.1106e-08  
a 2.995809666633472 2.1709e-08 au
q 2.929541959422384 1.8492e-07 au
i 3.441900588770178 4.5823e-06 deg
node 108.9168924362278 0.0001288 deg
peri 122.3426347263907 0.00021731 deg
M 311.1482524946988 0.00017582 deg
tp 2459257.508422835079
(2021-Feb-12.00842284)
0.00092476 TDB
period 1893.955425250413
5.19
2.0587e-05
5.636e-08
d
yr
n .1900783910753348 2.0661e-09 deg/d
Q 3.062077373844561 2.219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      21758 days (59.57 yr)  
   first obs. used      1960-10-25  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63435  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:32  

Additional Information
 Earth MOID = 1.91951 au 
 Jupiter MOID = 1.90995 au 
 T_jup = 3.251 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO422200  

78781 (2002 VD71)          Discovered 2002-Nov-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 VD71 = 1998 XG11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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